diff --git a/package.json b/package.json
index 9dca0615b..ed87f5dbf 100644
--- a/package.json
+++ b/package.json
@@ -73,7 +73,7 @@
     "eslint-webpack-plugin": "^3.2.0",
     "json": "^11.0.0",
     "markdownlint-cli2": "^0.4.0",
-    "postcss": "^8.4.30",
+    "postcss": "^8.4.31",
     "prettier": "^2.7.1",
     "react": "^17.0.2",
     "react-docgen-typescript": "^2.1.0",
diff --git a/yarn.lock b/yarn.lock
index e95b35106..b74c04e2c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -12412,10 +12412,10 @@ postcss@^7, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, po
     picocolors "^0.2.1"
     source-map "^0.6.1"
 
-postcss@^8.1.0, postcss@^8.4.19, postcss@^8.4.30:
-  version "8.4.30"
-  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.30.tgz#0e0648d551a606ef2192a26da4cabafcc09c1aa7"
-  integrity sha512-7ZEao1g4kd68l97aWG/etQKPKq07us0ieSZ2TnFDk11i0ZfDW2AwKHYU8qv4MZKqN2fdBfg+7q0ES06UA73C1g==
+postcss@^8.1.0, postcss@^8.4.19, postcss@^8.4.31:
+  version "8.4.31"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-8.4.31.tgz#92b451050a9f914da6755af352bdc0192508656d"
+  integrity sha512-PS08Iboia9mts/2ygV3eLpY5ghnUcfLV/EXTOW1E2qYxJKGGBUtNjN76FYHnMs36RmARn41bC0AZmn+rR0OVpQ==
   dependencies:
     nanoid "^3.3.6"
     picocolors "^1.0.0"